package risoe.syslab.fhnew.config;

/*
 * Copyright (c) 2012-2014, Technical University of Denmark (DTU)
 * All rights reserved.
 * 
 * The Flexhouse 2.0 platform ("this software") is licensed under the
 * BSD 3-clause license.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   - Neither the name of DTU nor the names of its contributors may be used to
 *     endorse or promote products derived from this software without specific
 *     prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE TECHNICAL UNIVERSITY OF DENMARK BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.io.Serializable;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import risoe.syslab.fhnew.hw.HardwareInterface;
import risoe.syslab.fhnew.hw.MetStationInterface;

@SuppressWarnings("serial")
public class MetStationInterfaceConfig extends HWInterfaceConfig implements Serializable {

  public static final String TYPESTRING="MetStnRMI";
  private static final String HOST_ATTR = "ip";
  private static final String UNIT_ATTR = "unit";
  
  private InetAddress hostip;
  private String unit;

  public MetStationInterfaceConfig() {
    super();
  }
  
  protected void parseSubInterface(NamedNodeMap attrs) {
    Node _ip=attrs.getNamedItem(HOST_ATTR);
    if (_ip!=null) {
      try {
        hostip=InetAddress.getByName(_ip.getNodeValue());
      }
      catch (UnknownHostException e) {
        throw new IllegalArgumentException(HWINTERFACE_TAG+": '"+_ip+"' is not a valid IP address.");
      }
    }
    else {
      throw new IllegalArgumentException(HWINTERFACE_TAG+": Missing '"+HOST_ATTR+"' attribute.");
    }
    
    Node _unit=attrs.getNamedItem(UNIT_ATTR);
    if (_unit!=null) {
      unit=_unit.getNodeValue();
    }
    else {
      throw new IllegalArgumentException(HWINTERFACE_TAG+": Missing '"+UNIT_ATTR+"' attribute.");
    }
  }

  public String getType() {
    return TYPESTRING;
  }
  
  @Override
	public String getAddress() {
		return hostip.toString();
	}

  public InetAddress getHostIPAddress() {
    return hostip;
  }
  
  public String getUnit() {
    return unit;
  }
  
  @Override
  protected void toStringImpl(StringBuilder b) {
    b.append(", ip=\""+hostip.getHostAddress()+"\"");
    b.append(", unit=\""+unit+"\"");
    
  }

  public HardwareInterface getInterfaceInstance() {
    return new MetStationInterface(this);
  }
  
}
